Question # 1

For trival solution |A| is

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A

|A| is non zero

A = 0

None of these

cos 2α=

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sin²α+ cos²α

-cosθ

tanθ

None of these

A triangle has ____ elements

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3

4

5

6

The set of the first elements of the orders pairs forming a relation is called its

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Relation in B

Range

Domain

Relation In A

Range of sec x is ______

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[-1, 1]

R

Negative real numbers

R = {x | -1 < x < 1}

Every recurring decimal represents

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A natural number

A rational number

An irrational number

A whole number

How many terms of the A.P 3,6,9,12,15...........must be taken to make the sum 108

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8

6

7

36

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For graphing a linear inequality, solid line is drawn if the inequality involves the symbols:

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> or <

= or≠

= or >

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If a parabola opens down, then its vertex is at the

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Right of the parabola

Left of parabola

Lowest point on the parabola

Highest point on the parabola

If x³+ 4x³- 2x +5 is divided by x - 1, then the reminder is

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8

6

4

None of these

The polar form of complex number x ≠ I y =

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r cos θ+ r sin θ

r cos θ+ is sin θ

cos θ+ r sin θ

i cos θ+ i sin θ

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Tangent is ...............function

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Inverse

one-one

in-to

Periodic

The key for opening a door is in a bunch of 10 keys. A man attempts to open the door by trying the keys at random discarding the wrong key. The probability that the door is opened in the 5th trial is

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1 / 10

2 / 10

3 / 10

4 / 10

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Composition of functions is

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Non-commutative (fg ≠ gf)

non-associative [8(fh) ≠(8f)h]

Commutative (fg = gf)

f of-1≠ 1

The solution set of the inequality ax + by < c is

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straight line

half plane

parabola

none of these

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f (x) = | x | is a/an

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Injective function

Bijective function

Surjective function

Implicit function

6! = ______

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360

720

6.5.4

None of these

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A parabola

An ellipse

A hyperbola

A circle

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The equation ax²+ 2hxy + by²+2gx + 2fy + c =0 represents an ellipse if

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The multiplicative inverse of 2/3 is

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3/2

-2/3

-3/2

1

If the pth, qth, and rth terms of an A.P. are in G.P:., then the common ratio of the G.P. is

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In how many ways can 5 persons be seated at a round table

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5!

4!

3!

120

If the roots of ax²+ bx + c =0 are equal in magnitude but opposite in sign, then

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a = 0

b = 0

c = 0

None of these

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